Cornwallis Weather Forecast

    • 17
    • 32

    Partly cloudy

    • 18
    • 34

    Possible storm

    • 18
    • 24

    Possible shower

    • 16
    • 27

    Cloudy

    • 15
    • 35

    Partly cloudy

    • 18
    • 40

    Partly cloudy

    • 21
    • 41

    Sunny morning. Shower or two

Today 31 Dec Sydney

Partly cloudy. Slight chance of a shower or thunderstorm in the west during the afternoon and early evening. Light winds becoming easterly 15 to 20 km/h in the middle of the day then becoming light in the evening.

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  • Temperature Forecast Bureau of Meteorology

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Cornwallis Temperature Statistics View More

December Temperature

Richmond RAAF Base (3km)

  • Lowest 24 December, 2024

    10.2 °C

  • Average December

    24 °C

  • Highest 17 December, 2024

    41.7 °C

Climate (2019–Present)

Richmond RAAF Base (3km)

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  • Average Low 2019–2024

    11.5 °C

  • Average 2019–2024

    17.2 °C

  • Average High 2019–2024

    24.3 °C
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